The Truth About Buttermilk

So is buttermilk good or not? I never could reconcile the stories...  ...of churning milk to separate the butter from the buttermilk with the ghastly-tasting buttermilk available at the grocery. How could milk go sour...  ...of it? L.V. Anderson explains with the history of...

http://www.neatorama.com/2012/05/09/the-truth-about-buttermilk/